Merge branch 'release/1.0.2' into develop
Added zookeeper discovery retry logic for times when the default 3
second timeout for exhibitor cookbook discover_zookeepers expires and
additional calls are needed.
Upgraded to chef_zero provisioner and newer test-kitchen syntax.
Bumping metadata
Merge pull request #17 from mdsol/feature/add-retry-logic-for-exhibitor-discover

Feature/add retry logic for exhibitor discover
Fix zk:// url creation in /etc/mesos/zk
Merge pull request #18 from stevendborrelli/fix/zk_string

Fix zk:// url creation in /etc/mesos/zk
Updating changelog
Merge branch 'release/1.0.3'